Motorists_____ofspeedingmaybebannedfromdrivingforayear.
Themegaphone(microphone)makesthevoicesoundlouderbecauseitpointssoundwavesinonedirectionandkeepsthemfromspreadingoutinalldirections.
Inthatschool,Englishiscompulsoryforallstudents,butFrenchandRussianare_________.
Wehaveenteredintoanage_______dreamshavethebestchanceofcomingtrue.
20世纪40年代前期，为了提高广大党员的思想建设水平，中国共产党在在全党范围内开展了一场整风运动()。
